Re: [discuss] Re: [PATCH] Allow all Opteron processors to change pstate at same time

[Andi Kleen]

On Tuesday 11 July 2006 15:34, Arjan van de Ven wrote:
> 
> > Customers in the field seem to want to use TSC for gtod,
> > so I want to know how awful an idea that is.
> 
> in userspace or in the kernel?

It has to be in kernel. User space is hopeless.

> And do you happen to know why they don't want to use hpet?

HPET is slow (although not as bad as PM) too and most BIOS don't 
enable it.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/